21.73% is the change from 474 to 577
Calculation steps:
[( 577 - 474 ) ÷ 474] x 100 = 21.73%
Formula
Percentage change = [(577 - 474) / 474] x 100
Subtract the new number by the original number
577 - 474 = 103
103 ÷ 474 = 0.21729957805907174
0.21729957805907174 x 100 = 21.73%